/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.nacos.config.server.service;

import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.transaction.support.TransactionTemplate;

import java.io.IOException;

/**
 * datasource interface
 * 
 * @author Nacos
 *
 */
public interface DataSourceService {
	/**
	 * reload
	 * 
	 * @throws IOException
	 *             exception
	 */
	void reload() throws IOException;

	/**
	 * check master db
	 * 
	 * @return is master
	 */
	boolean checkMasterWritable();

	/**
	 * get jdbc template
	 * 
	 * @return JdbcTemplate
	 */
	JdbcTemplate getJdbcTemplate();

	/**
	 * get transaction template
	 * 
	 * @return TransactionTemplate
	 */
	TransactionTemplate getTransactionTemplate();

	/**
	 * get current db url
	 * 
	 * @return
	 */
	String getCurrentDBUrl();

	/**
	 * get heath
	 * 
	 * @return heath info
	 */
	String getHealth();
}
